117843783 has 8 divisors (see below), whose sum is σ = 158256000. Its totient is φ = 77997048.

The previous prime is 117843767. The next prime is 117843787. The reversal of 117843783 is 387348711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117843783 - 2⁴ = 117843767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117843787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140883 + ... + 141716.

It is an arithmetic number, because the mean of its divisors is an integer number (19782000).

Almost surely, 2^117843783 is an apocalyptic number.

117843783 is a deficient number, since it is larger than the sum of its proper divisors (40412217).

117843783 is a wasteful number, since it uses less digits than its factorization.

117843783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282741.

The product of its digits is 112896, while the sum is 42.

The square root of 117843783 is about 10855.5876395523. The cubic root of 117843783 is about 490.2702701689.

The spelling of 117843783 in words is "one hundred seventeen million, eight hundred forty-three thousand, seven hundred eighty-three".